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https://issues.apache.org/jira/browse/HBASE-26563?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell updated HBASE-26563:
----------------------------------------
Fix Version/s: (was: 2.4.9)
> TestCacheOnWrite and TestCompactingToCellFlatMapMemStore use too many file
> descriptors
> --------------------------------------------------------------------------------------
>
> Key: HBASE-26563
> URL: https://issues.apache.org/jira/browse/HBASE-26563
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.5.0
> Reporter: Andrew Kyle Purtell
> Priority: Trivial
> Fix For: 2.5.0, 3.0.0-alpha-2, 2.6.0
>
>
> This is somewhat test environment specific but an indication that
> TestCacheOnWrite could stand to go on a resource diet. Likewise,
> TestCompactingToCellFlatMapMemStore
> Apache Maven 3.8.3 (ff8e977a158738155dc465c6a97ffaf31982d739)
> Java version: 1.8.0_312, vendor: Azul Systems, Inc., runtime:
> /Library/Java/JavaVirtualMachines/zulu-8.jdk/Contents/Home/jre
> OS name: "mac os x", version: "12.0.1", arch: "aarch64", family: "mac"
> Representative output from TestCacheOnWrite:
> [ERROR]
> org.apache.hadoop.hbase.io.hfile.TestCacheOnWrite.testCachingDataBlocksThresholdDuringCompaction[35]
> Time elapsed: 2.113 s <<< ERROR!
> java.lang.IllegalStateException: failed to create a child event loop
> at
> org.apache.hbase.thirdparty.io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:88)
> at
> org.apache.hbase.thirdparty.io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:60)
> at
> org.apache.hbase.thirdparty.io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:49)
> at
> org.apache.hbase.thirdparty.io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:59)
> at
> org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:86)
> at
> org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:81)
> at
> org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:68)
> at
> org.apache.hadoop.hbase.wal.NettyAsyncFSWALConfigHelper.getEventLoopConfig(NettyAsyncFSWALConfigHelper.java:64)
> at
> org.apache.hadoop.hbase.wal.AsyncFSWALProvider.doInit(AsyncFSWALProvider.java:80)
> at
> org.apache.hadoop.hbase.wal.AbstractFSWALProvider.init(AbstractFSWALProvider.java:125)
> at
> org.apache.hadoop.hbase.wal.SyncReplicationWALProvider.init(SyncReplicationWALProvider.java:115)
> at org.apache.hadoop.hbase.wal.WALFactory.<init>(WALFactory.java:207)
> at org.apache.hadoop.hbase.wal.WALFactory.<init>(WALFactory.java:178)
> Caused by: java.io.IOException: Too many open files
> at java.base/sun.nio.ch.IOUtil.makePipe(Native Method)
> at
> java.base/sun.nio.ch.KQueueSelectorImpl.<init>(KQueueSelectorImpl.java:86)
> at
> java.base/sun.nio.ch.KQueueSelectorProvider.openSelector(KQueueSelectorProvider.java:35)
> at
> org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:173)
> ... 55 more
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